/*
 * Theme Name:  Thalassa Consulting — v7 (Ocean Blue)
 * Theme URI:   https://www.thalassa.one
 * Description: Ocean Blue variant — JohnWeller image backgrounds, white panels, cobalt blue text. v7: full projects-list copy rewrite (worksheet-driven, sourced from CV + Tosca's direct corrections), built on v6.
 * Author:      Tosca Ballerini
 * Author URI:  https://www.thalassa.one
 * Version:     7.0.0
 * Text Domain: thalassa
 * Tags:        responsive, custom-colors, custom-menu, multilingual
 */

/* =============================================================
   COLOR PALETTE — extracted from JohnWeller colorsBlue images
   ============================================================= */

:root {
    /* ——— OCEAN BLUE (from JohnWeller images) ——————————————— */
    --color-ocean:       #1534a8;   /* Primary cobalt blue — image background color */
    --color-ocean-dark:  #0c1d6a;   /* Dark navy — main text, headings */
    --color-ocean-mid:   #2549c2;   /* Medium — links, accents */
    --color-ocean-light: #4d72e8;   /* Light — secondary accents */
    --color-ocean-pale:  #dde6ff;   /* Very pale blue — subtle backgrounds */

    /* ——— WHITE SURFACES ———————————————————————————————————— */
    --color-white:       #ffffff;
    --color-off-white:   #f3f6ff;   /* Slight blue tint — alternating sections */
    --color-border:      #c8d5f7;   /* Blue-tinted borders */

    /* ——— TEXT ——————————————————————————————————————————————— */
    --color-text:        #0c1d6a;   /* Body text = dark ocean blue */
    --color-text-mid:    #1534a8;   /* Secondary text = ocean blue */
    --color-text-light:  #4d72e8;   /* Captions, metadata */
    --color-text-inv:    #ffffff;   /* Text on dark/image backgrounds */

    /* ——— NAVBAR (white, blue text) ————————————————————————— */
    --color-nav:         #ffffff;
    --color-nav-scrolled: #f3f6ff;

    /* ——— BUTTONS ——————————————————————————————————————————— */
    --color-btn:         #1534a8;
    --color-btn-hover:   #0c1d6a;

    /* ——— FOOTER ————————————————————————————————————————————— */
    --color-bg-footer:   #0c1d6a;

    /* ——— TYPOGRAPHY ————————————————————————————————————————— */
    --font-heading:      'Raleway', 'Montserrat', 'Arial', sans-serif;
    --font-body:         'Open Sans', 'Helvetica Neue', 'Arial', sans-serif;

    /* ——— LAYOUT ————————————————————————————————————————————— */
    --navbar-height:     70px;
    --max-width:         1180px;
    --content-width:     760px;
    --section-pad-v:     90px;
    --section-pad-h:     24px;

    /* ——— SHADOWS ————————————————————————————————————————————— */
    --shadow-sm:         0 1px 6px rgba(21,52,168,0.10);
    --shadow-md:         0 4px 20px rgba(21,52,168,0.14);
    --shadow-lg:         0 10px 48px rgba(21,52,168,0.20);
    --shadow-panel:      0 16px 64px rgba(12,29,106,0.28);

    /* ——— RADIUS ————————————————————————————————————————————— */
    --radius-sm:         4px;
    --radius-md:         8px;
    --radius-lg:         16px;
    --radius-pill:       50px;

    /* ——— TRANSITIONS ————————————————————————————————————————— */
    --transition:        all 0.3s ease;
    --transition-fast:   all 0.15s ease;
}

/* =============================================================
   RESET & BASE
   ============================================================= */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
}

body.nav-open { overflow: hidden; }

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    color: var(--color-ocean-mid);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover { color: var(--color-ocean-dark); }

ul, ol { list-style: none; }

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-ocean-dark);
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); }
h4 { font-size: 1.1rem; }

p { margin-bottom: 1.2em; }
p:last-child { margin-bottom: 0; }

strong { font-weight: 700; }
em { font-style: italic; }

/* =============================================================
   LAYOUT UTILITIES
   ============================================================= */

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--section-pad-h);
}

.container--narrow { max-width: var(--content-width); }

/* White-background sections — blue text */
.section {
    padding: var(--section-pad-v) var(--section-pad-h);
    background-color: var(--color-white);
}

.section--alt {
    padding: var(--section-pad-v) var(--section-pad-h);
    background-color: var(--color-off-white);
}

/* Image-background sections */
.section--image {
    position: relative;
    padding: var(--section-pad-v) var(--section-pad-h);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.section--image::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(12, 29, 106, 0.22);
    z-index: 0;
}

.section--image .container {
    position: relative;
    z-index: 1;
}

/* White panel — for text on image backgrounds */
.panel {
    background: rgba(255, 255, 255, 0.97);
    padding: 48px 56px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-panel);
}

.panel--sm {
    padding: 32px 36px;
}

/* Section titles */
.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 700;
    color: var(--color-ocean-dark);
    margin-bottom: 1rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 44px;
    height: 3px;
    background-color: var(--color-ocean);
    margin-top: 14px;
}

.section-title--center { text-align: center; }
.section-title--center::after { margin: 14px auto 0; }

.section-title--white { color: var(--color-white); }
.section-title--white::after { background-color: rgba(255,255,255,0.6); }

.section-intro {
    font-size: 1.05rem;
    color: var(--color-text-mid);
    max-width: 640px;
    margin-bottom: 2.5rem;
    line-height: 1.75;
}

.section-intro--center {
    text-align: center;
    margin-left: auto;
    margin-right: auto;
}

.sr-only {
    position: absolute;
    width: 1px; height: 1px;
    padding: 0; overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap; border: 0;
}

/* =============================================================
   BUTTONS
   ============================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 30px;
    font-family: var(--font-heading);
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    border-radius: var(--radius-pill);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

.btn--primary {
    background-color: var(--color-btn);
    color: var(--color-white);
    border-color: var(--color-btn);
}

.btn--primary:hover {
    background-color: var(--color-btn-hover);
    border-color: var(--color-btn-hover);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* White outline button — for use on image/dark backgrounds */
.btn--outline-white {
    background-color: transparent;
    color: var(--color-white);
    border-color: rgba(255,255,255,0.7);
}

.btn--outline-white:hover {
    background-color: var(--color-white);
    color: var(--color-ocean-dark);
    border-color: var(--color-white);
    transform: translateY(-2px);
}

/* Ocean outline — for use on white backgrounds */
.btn--outline {
    background-color: transparent;
    color: var(--color-ocean);
    border-color: var(--color-ocean);
}

.btn--outline:hover {
    background-color: var(--color-ocean);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
}

/* =============================================================
   NAVBAR — white, ocean-blue text
   ============================================================= */

.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background-color: var(--color-nav);
    height: var(--navbar-height);
    display: flex;
    align-items: center;
    box-shadow: 0 2px 16px rgba(21,52,168,0.10);
    transition: var(--transition);
    border-bottom: 1px solid var(--color-border);
}

.site-header.scrolled {
    background-color: var(--color-nav-scrolled);
    box-shadow: 0 2px 24px rgba(21,52,168,0.15);
}

.header-inner {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.site-logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    text-decoration: none;
}

.site-logo img {
    height: 40px;
    width: auto;
    display: block;
}

.site-logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.15;
}

.site-logo-text .logo-name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--color-ocean-dark);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.site-logo-text .logo-tagline {
    font-family: var(--font-body);
    font-size: 0.60rem;
    color: var(--color-ocean);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-top: 2px;
    opacity: 0.7;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 2px;
}

.main-nav a {
    font-family: var(--font-heading);
    font-size: 0.80rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-ocean-dark);
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.current,
.main-nav .current-menu-item > a,
.main-nav .current_page_item > a {
    color: var(--color-ocean);
    background-color: var(--color-ocean-pale);
}

.lang-switcher {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-left: 8px;
    padding-left: 12px;
    border-left: 1px solid var(--color-border);
}

.lang-switcher a {
    font-family: var(--font-heading);
    font-size: 0.70rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-ocean-light);
    padding: 4px 7px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: var(--transition-fast);
}

.lang-switcher a:hover,
.lang-switcher a.active {
    color: var(--color-ocean-dark);
    background-color: var(--color-ocean-pale);
}

/* Hamburger */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 36px; height: 36px;
    padding: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
    border-radius: var(--radius-sm);
}

.nav-toggle:hover { background-color: var(--color-ocean-pale); }

.nav-toggle-bar {
    display: block;
    width: 100%; height: 2px;
    background-color: var(--color-ocean-dark);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-toggle.open .nav-toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open .nav-toggle-bar:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open .nav-toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.page-body { padding-top: var(--navbar-height); }

/* =============================================================
   MOBILE NAV
   ============================================================= */

.mobile-nav {
    display: none;
    position: fixed;
    top: var(--navbar-height);
    left: 0; right: 0; bottom: 0;
    background-color: var(--color-white);
    border-top: 3px solid var(--color-ocean);
    z-index: 999;
    overflow-y: auto;
    padding: 32px 24px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.mobile-nav.open { transform: translateX(0); }

.mobile-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.mobile-nav li a {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-ocean-dark);
    padding: 14px 16px;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: var(--transition-fast);
    border-bottom: 1px solid var(--color-border);
}

.mobile-nav li:last-child a { border-bottom: none; }
.mobile-nav li a:hover { background-color: var(--color-ocean-pale); color: var(--color-ocean); }

.mobile-nav-langs {
    margin-top: 24px;
    display: flex;
    gap: 8px;
    padding-top: 20px;
    border-top: 1px solid var(--color-border);
}

.mobile-nav-langs a {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--color-ocean-light);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    text-decoration: none;
}

.mobile-nav-langs a:hover,
.mobile-nav-langs a.active {
    color: var(--color-ocean-dark);
    background-color: var(--color-ocean-pale);
}

/* =============================================================
   HERO — full-viewport image background
   ============================================================= */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to right,
        rgba(12, 29, 106, 0.78) 0%,
        rgba(21, 52, 168, 0.45) 55%,
        rgba(21, 52, 168, 0.12) 100%
    );
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 80px 24px;
    color: var(--color-white);
    max-width: 680px;
    padding-left: 48px;
}

.hero-eyebrow {
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.7);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.hero-eyebrow::before {
    content: '';
    display: inline-block;
    width: 28px; height: 2px;
    background-color: rgba(255,255,255,0.6);
}

.hero h1 {
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 800;
    line-height: 1.12;
    color: var(--color-white);
    margin-bottom: 24px;
}

.hero h1 em {
    font-style: normal;
    color: rgba(255,255,255,0.72);
}

.hero-desc {
    font-size: clamp(1rem, 1.6vw, 1.1rem);
    color: rgba(255,255,255,0.80);
    margin-bottom: 40px;
    line-height: 1.75;
}

.hero-highlight {
    font-size: clamp(1.4rem, 2.4vw, 1.75rem);
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 24px;
    line-height: 1.4;
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,0.45);
    font-size: 0.68rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: bounce 2.2s infinite;
}

.hero-scroll-arrow {
    width: 22px; height: 22px;
    border-right: 2px solid rgba(255,255,255,0.35);
    border-bottom: 2px solid rgba(255,255,255,0.35);
    transform: rotate(45deg);
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50%       { transform: translateX(-50%) translateY(8px); }
}

/* =============================================================
   PAGE BANNER (interior pages — uses image as background)
   ============================================================= */

.page-banner {
    position: relative;
    padding: 80px 24px 64px;
    background-color: var(--color-ocean);
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.page-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(12, 29, 106, 0.55);
    z-index: 0;
}

.page-banner-content {
    position: relative;
    z-index: 1;
    max-width: var(--max-width);
    margin: 0 auto;
}

.page-banner h1 {
    color: var(--color-white);
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    margin-bottom: 10px;
}

.page-banner p {
    color: rgba(255,255,255,0.72);
    font-size: 1rem;
    max-width: 540px;
}

/* =============================================================
   CARDS GRID
   ============================================================= */

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.cards-grid--2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.cards-grid--3 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
/* Projects grid: auto-fill keeps empty column tracks, so a single card stays the same width as in a full grid */
.cards-grid--fixed-2 { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }

.card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--color-border);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-ocean);
}

.card-image {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    display: block;
}

.card-body { padding: 28px 24px; }

/* Overlay variant — text over image with gradient */
.card--overlay {
    position: relative;
    overflow: hidden;
    cursor: pointer;
}
.card--overlay .card-image {
    display: block;
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
}
.card--overlay .card-body {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px 20px 20px;
    background: linear-gradient(to top, rgba(0,0,0,0.80) 0%, rgba(0,0,0,0.45) 60%, transparent 100%);
    pointer-events: none;
}
.card--overlay .card-body h3 {
    color: #fff;
    font-size: 1rem;
    margin-bottom: 6px;
}
.card--overlay .card-body p {
    color: rgba(255,255,255,0.88);
    font-size: 0.85rem;
    line-height: 1.5;
    margin: 0;
}
.card--overlay .card-image {
    cursor: pointer;
}

/* Card detail overlay — appears over the card itself */
/* Card detail overlay — light warm cream, full card, appears on hover */
.card-detail {
    position: absolute;
    inset: 0;
    background: rgba(255, 254, 242, 0.86);
    padding: 20px 18px 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow-y: auto;
    z-index: 10;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}
.card--overlay:hover .card-detail {
    opacity: 1;
    pointer-events: auto;
}
.card-detail-label {
    font-size: 0.63rem;
    text-transform: uppercase;
    letter-spacing: 0.09em;
    color: var(--color-ocean);
    font-weight: 700;
    margin: 0 0 2px;
}
.card-detail-value {
    font-size: 0.78rem;
    line-height: 1.45;
    color: var(--color-ocean-dark);
    margin: 0;
}
.card-detail-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: auto;
    padding-top: 8px;
    color: var(--color-ocean);
    font-size: 0.82rem;
    font-weight: 600;
    text-decoration: none;
}
.card-detail-link:hover { color: var(--color-ocean-dark); text-decoration: underline; }

/* Section subtitle — one-line explainer under a .section-title */
.section-subtitle {
    color: var(--color-text-light);
    font-size: 0.92rem;
    margin: -0.5rem 0 28px;
}

/* Featured card image — deliberately shorter than the default square .card,
   so the card isn't mostly photo with text squeezed underneath */
.card--project .card-image {
    aspect-ratio: 16 / 9;
}

/* Date / Partner / Funder — separate labelled lines, used on both the
   Featured cards and the All Projects list rows, so the "commitment"
   (who it's with, who funded it) and the date are easy to scan instead
   of buried in a run-on sentence. "Partner"/"Funder" match the site's
   existing language ("scientific partner", "Collaborations") — no
   "client" anywhere else on the site, so none here either. */
.project-meta {
    margin: 0 0 10px;
}
.project-meta-date {
    display: block;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-ocean);
    letter-spacing: 0.02em;
    margin-bottom: 3px;
}
.project-meta-line {
    display: block;
    font-size: 0.8rem;
    color: var(--color-text-light);
    line-height: 1.5;
}
.project-meta-line strong {
    color: var(--color-ocean-dark);
    font-weight: 700;
}
.project-meta-line a {
    color: var(--color-ocean);
    text-decoration: none;
}
.project-meta-line a:hover { text-decoration: underline; }

/* Bullet list of contribution strands — only used on SWOT AdAC, whose
   collaboration has too many distinct threads for one paragraph to read
   well. See inc/projects-data.php "bullets" key. */
.project-desc-bullets {
    margin: 0 0 14px;
    padding-left: 20px;
    font-size: 0.92rem;
    line-height: 1.5;
    color: var(--color-text-mid);
}
.project-desc-bullets li {
    margin-bottom: 8px;
}
.project-desc-bullets li:last-child {
    margin-bottom: 0;
}
.project-desc-bullets strong {
    color: var(--color-ocean-dark);
}

/* Compact project list — <details>/<summary> rows, collapsed by default.
   Native disclosure: keyboard- and touch-accessible with no JS, and keeps
   the page short since only the row summary shows until expanded. */
.project-list {
    border-top: 1px solid var(--color-border);
}
.project-list-item {
    border-bottom: 1px solid var(--color-border);
}
.project-list-summary {
    display: grid;
    grid-template-columns: 100px 1fr 20px;
    gap: 20px;
    align-items: start;
    padding: 20px 0;
    cursor: pointer;
    list-style: none;
}
.project-list-summary::-webkit-details-marker { display: none; }
.project-list-date {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-ocean);
    letter-spacing: 0.02em;
}
.project-list-main h3 {
    font-size: 1.02rem;
    margin: 0 0 6px;
    color: var(--color-ocean-dark);
}
.project-list-chevron {
    justify-self: end;
    color: var(--color-ocean);
    transition: transform 0.2s ease;
}
.project-list-item[open] .project-list-chevron { transform: rotate(180deg); }
.project-list-detail {
    padding: 0 0 22px 120px;
}
.project-list-desc {
    font-size: 0.92rem;
    line-height: 1.55;
    color: var(--color-text-mid);
    margin: 0 0 8px;
}
.project-list-link {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    margin-top: 10px;
    color: var(--color-ocean);
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
}
.project-list-link:hover { color: var(--color-ocean-dark); text-decoration: underline; }

/* Also Contributed To — lighter contributions than a full project card */
.minor-contributions {
    list-style: none;
    padding: 0;
    margin: 0;
}
.minor-contribution-item {
    padding: 20px 0;
    border-bottom: 1px solid var(--color-border);
}
.minor-contribution-item:first-child { border-top: 1px solid var(--color-border); }
.minor-contribution-item h3 {
    font-size: 1rem;
    margin: 0 0 6px;
    color: var(--color-ocean-dark);
}
.minor-contribution-item p {
    font-size: 0.92rem;
    line-height: 1.55;
    color: var(--color-text-mid);
    margin: 0 0 8px;
}

/* Project group filter bar */
.project-filter {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 36px;
}
.project-filter-link {
    padding: 5px 15px;
    border: 1px solid var(--color-ocean);
    border-radius: 20px;
    color: var(--color-ocean);
    text-decoration: none;
    font-size: 0.82rem;
    font-weight: 500;
    transition: background 0.15s, color 0.15s;
    white-space: nowrap;
}
.project-filter-link:hover,
.project-filter-link.is-active {
    background: var(--color-ocean);
    color: #fff;
}

/* Compact label card — title + short description */
.card--compact {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 0;
}
.card--compact .card-body {
    padding: 28px 24px;
    text-align: center;
    width: 100%;
    min-height: 120px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}
.card--compact .card-body h3 {
    margin: 0;
    font-size: 1.05rem;
    color: var(--color-ocean-dark);
}
.card--compact .card-body p {
    margin: 10px 0 0;
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--color-text-mid);
}

.card-icon {
    width: 52px; height: 52px;
    background-color: var(--color-ocean-pale);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    font-size: 1.5rem;
}

.card h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
    color: var(--color-ocean-dark);
}

.card p {
    font-size: 0.93rem;
    color: var(--color-ocean);
    line-height: 1.65;
    margin-bottom: 0;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 18px;
    font-family: var(--font-heading);
    font-size: 0.80rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--color-ocean);
    text-decoration: none;
    transition: var(--transition-fast);
}

.card-link:hover {
    color: var(--color-ocean-dark);
    gap: 10px;
}

/* =============================================================
   SKILL TAGS
   ============================================================= */

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 20px;
}

.skill-tag {
    background-color: var(--color-ocean-pale);
    color: var(--color-ocean);
    font-family: var(--font-heading);
    font-size: 0.73rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 5px 12px;
    border-radius: var(--radius-pill);
    border: 1px solid var(--color-border);
}

/* =============================================================
   ABOUT SPLIT
   ============================================================= */

.about-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

/* Intro variant: photo sits beside only the opening paragraphs, top-aligned */
.about-split--intro {
    align-items: start;
}

.about-img-wrap img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.about-text p {
    color: var(--color-text-mid);
    margin-bottom: 1rem;
}

/* Rest of the bio: a single centred reading column, no side image */
.about-bio-continued {
    margin-top: 60px;
}

.about-bio-continued h3:first-child {
    margin-top: 0;
}

/* =============================================================
   PUBLICATIONS LIST
   ============================================================= */

.publication-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.publication-item {
    padding: 20px 24px;
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-ocean);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.publication-item:hover {
    box-shadow: var(--shadow-md);
    border-left-color: var(--color-ocean-dark);
}

.publication-year {
    font-family: var(--font-heading);
    font-size: 0.73rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-ocean);
    margin-bottom: 6px;
}

.publication-title {
    font-family: var(--font-heading);
    font-size: 0.97rem;
    font-weight: 700;
    color: var(--color-ocean-dark);
    margin-bottom: 6px;
    line-height: 1.4;
}

.publication-authors {
    font-size: 0.88rem;
    color: var(--color-text-mid);
    margin-bottom: 4px;
}

.publication-journal {
    font-size: 0.83rem;
    color: var(--color-ocean-light);
    font-style: italic;
}

.publication-doi a {
    font-size: 0.80rem;
    color: var(--color-ocean-mid);
}

.pub-section-heading {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-ocean);
    margin: 40px 0 14px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--color-border);
}

/* =============================================================
   TIMELINE
   ============================================================= */

.timeline {
    position: relative;
    padding-left: 40px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 12px; top: 8px; bottom: 8px;
    width: 2px;
    background: linear-gradient(to bottom, var(--color-ocean), var(--color-ocean-light));
}

.timeline-item {
    position: relative;
    margin-bottom: 32px;
}

.timeline-item::before {
    content: '';
    position: absolute;
    left: -34px; top: 6px;
    width: 12px; height: 12px;
    border-radius: 50%;
    background-color: var(--color-ocean);
    border: 3px solid var(--color-white);
    box-shadow: 0 0 0 2px var(--color-ocean);
}

.timeline-date {
    font-family: var(--font-heading);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-ocean);
    margin-bottom: 4px;
}

.timeline-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-ocean-dark);
    margin-bottom: 4px;
}

.timeline-org {
    font-size: 0.88rem;
    color: var(--color-ocean-mid);
    font-weight: 600;
    margin-bottom: 6px;
}

.timeline-desc {
    font-size: 0.90rem;
    color: var(--color-text-mid);
    line-height: 1.65;
}

/* =============================================================
   CONTACT PAGE
   ============================================================= */

.contact-info-block {
    padding: 36px 32px;
    background-color: var(--color-ocean);
    border-radius: var(--radius-lg);
    color: var(--color-white);
}

.contact-info-block h3 { color: var(--color-white); margin-bottom: 24px; }

.contact-detail-value {
    color: var(--color-white);
    font-size: 0.92rem;
    text-decoration: none;
    overflow-wrap: break-word;
}

.contact-detail-value a { color: var(--color-white); }
.contact-detail-value a:hover { color: var(--color-ocean-pale); }

/* Centred single-CTA layout (contact page) — every child text-centred and
   stacked, no flex/icon rows, so there's nothing that can throw the
   centring off asymmetrically. */
.contact-info-block--centered {
    text-align: center;
}
.contact-info-block--centered .contact-info-intro {
    color: rgba(255,255,255,0.85);
    max-width: 420px;
    margin: 0 auto 28px;
}
.contact-info-block--centered .contact-info-email {
    margin-top: 14px;
}
.contact-info-block--centered .contact-info-location {
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.12);
    color: rgba(255,255,255,0.75);
    font-size: 0.9rem;
}

/* =============================================================
   FOOTER
   ============================================================= */

.site-footer {
    background-color: var(--color-bg-footer);
    color: rgba(255,255,255,0.65);
    padding: 36px 24px 18px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 32px;
    max-width: var(--max-width);
    margin: 0 auto;
    padding-bottom: 22px;
    border-bottom: 1px solid rgba(255,255,255,0.10);
}

.footer-brand .footer-logo {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--color-white);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 4px;
    text-decoration: none;
    display: block;
}

.footer-brand .footer-tagline {
    font-size: 0.70rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.38);
    margin-bottom: 10px;
}

.footer-brand p {
    font-size: 0.88rem;
    line-height: 1.7;
    color: rgba(255,255,255,0.55);
    max-width: 280px;
}

.footer-col h4 {
    font-family: var(--font-heading);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.10em;
    text-transform: uppercase;
    color: var(--color-white);
    margin-bottom: 14px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 9px;
}

.footer-links a {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.55);
    text-decoration: none;
    transition: var(--transition-fast);
}

.footer-links a:hover { color: var(--color-white); }

.footer-contact-detail {
    font-size: 0.86rem;
    color: rgba(255,255,255,0.55);
    margin-bottom: 6px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.footer-contact-detail a {
    color: rgba(255,255,255,0.55);
    text-decoration: none;
}

.footer-contact-detail a:hover { color: var(--color-white); }

.footer-bottom {
    max-width: var(--max-width);
    margin: 16px auto 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.80rem;
    color: rgba(255,255,255,0.35);
}

.footer-bottom a {
    color: rgba(255,255,255,0.35);
    text-decoration: none;
}

.footer-bottom a:hover { color: rgba(255,255,255,0.65); }

/* =============================================================
   BACK TO TOP
   ============================================================= */

.back-to-top {
    position: fixed;
    bottom: 24px; right: 24px;
    z-index: 900;
    width: 42px; height: 42px;
    background-color: var(--color-ocean);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    text-decoration: none;
}

.back-to-top.visible { opacity: 1; visibility: visible; }
.back-to-top:hover {
    background-color: var(--color-ocean-dark);
    color: var(--color-white);
    transform: translateY(-3px);
}

/* =============================================================
   RESPONSIVE — TABLET (≤ 1024px)
   ============================================================= */

@media (max-width: 1024px) {
    :root { --section-pad-v: 64px; }

    .main-nav, .lang-switcher { display: none; }
    .nav-toggle { display: flex; }
    .mobile-nav { display: block; }

    .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .about-split { grid-template-columns: 1fr; gap: 36px; }

    .section--image { background-attachment: scroll; }
    .hero-bg { background-attachment: scroll; }

    .panel { padding: 32px 28px; }
    .hero-content { padding-left: 24px; }
}

/* =============================================================
   RESPONSIVE — MOBILE (≤ 640px)
   ============================================================= */

@media (max-width: 640px) {
    :root {
        --navbar-height:     58px;
        --section-pad-v:     48px;
        --section-pad-h:     16px;
    }

    /* The logo text doesn't shrink (flex-shrink: 0) — on a narrow phone
       it can be wide enough to push the hamburger button off-screen to
       the right, with no scroll indicator, so the menu just looks gone.
       Drop the tagline and shrink the name to free up room for it. */
    .header-inner { padding: 0 16px; gap: 12px; }
    .site-logo-text .logo-tagline { display: none; }
    .site-logo-text .logo-name { font-size: 1rem; }

    .hero h1 { font-size: 2rem; }
    .hero-content { max-width: 100%; padding-left: 20px; padding-right: 20px; }

    /* Same overflow risk as the header logo: uppercase text with wide
       letter-spacing plus a decorative line, in a narrow column — shrink
       both so it stays on one line instead of wrapping awkwardly. */
    .hero-eyebrow { font-size: 0.68rem; letter-spacing: 0.10em; gap: 8px; }
    .hero-eyebrow::before { width: 18px; }

    .cards-grid,
    .cards-grid--2,
    .cards-grid--3,
    .cards-grid--fixed-2 { grid-template-columns: 1fr; }

    .card--project .card-image { aspect-ratio: 4 / 3; }

    .project-list-summary { grid-template-columns: 1fr 20px; gap: 4px 12px; }
    .project-list-date { grid-column: 1 / 2; grid-row: 1; }
    .project-list-main { grid-column: 1 / 2; grid-row: 2; }
    .project-list-chevron { grid-row: 1 / 3; align-self: center; }
    .project-list-detail { padding-left: 0; }

    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer-bottom { flex-direction: column; text-align: center; }

    .btn-group { flex-direction: column; align-items: flex-start; }
    .btn { width: 100%; justify-content: center; }

    .panel { padding: 24px 20px; }
}

/* =============================================================
   POLYLANG / WPML
   ============================================================= */

.pll-parent-menu-item > a,
.wpml-ls-menu-item > a {
    font-family: var(--font-heading) !important;
    font-size: 0.70rem !important;
    font-weight: 700 !important;
    letter-spacing: 0.05em !important;
    text-transform: uppercase !important;
    color: var(--color-ocean-light) !important;
    padding: 4px 8px !important;
}

.pll-parent-menu-item > a:hover,
.wpml-ls-menu-item > a:hover {
    color: var(--color-ocean-dark) !important;
}

/* =============================================================
   PRINT
   ============================================================= */

@media print {
    .site-header, .site-footer, .back-to-top,
    .mobile-nav, .nav-toggle { display: none !important; }
    .page-body { padding-top: 0; }
    body { color: #000; font-size: 12pt; }
    .section--image::before { display: none; }
}